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14978 (1997 SD25)
Classification: Main-belt Asteroid          SPK-ID: 2014978
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0770320825669373 3.3996e-08  
a 3.036183068948363 1.8053e-08 au
q 2.802299564092796 1.0703e-07 au
i 10.41199228327706 5.155e-06 deg
node 195.0339192453706 2.114e-05 deg
peri 252.6836884278262 4.0919e-05 deg
M 43.8770870887849 3.3882e-05 deg
tp 2458764.981164563889
(2019-Oct-08.48116456)
0.00018187 TDB
period 1932.370318600104
5.29
1.7235e-05
4.719e-08
d
yr
n .1862996944916853 1.6616e-09 deg/d
Q 3.270066573803931 1.9444e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1707  
   data-arc span      9016 days (24.68 yr)  
   first obs. used      1995-05-29  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51205  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:08:36  

Additional Information
 Earth MOID = 1.84017 au 
 Jupiter MOID = 1.95862 au 
 T_jup = 3.212 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3   n/a MPO337385  
diameter diameter 7.680 km 0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.189   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14978 (1997 SD25)          Discovered 1997-Sep-30 by Kawasato, N. at Uenohara
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 SD25 = 1999 AT34 = 1999 CS102 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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